// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements.  See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership.  The ASF licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License.  You may obtain a copy of the License at
//
//   http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied.  See the License for the
// specific language governing permissions and limitations
// under the License.

#pragma once

#include <stdint.h>
#include <string>

namespace knowhere {

class ID {
 public:
    constexpr static int64_t kIDSize = 20;

 public:
    const int32_t*
    data() const {
        return content_;
    }

    int32_t*
    mutable_data() {
        return content_;
    }

    bool
    IsValid() const;

    std::string
    ToString() const;

    bool
    operator==(const ID& that) const;

    bool
    operator<(const ID& that) const;

 protected:
    int32_t content_[5] = {};
};

}  // namespace knowhere
